/*-
 * Copyright (c) 2006, 2007 FTS Team
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the FTS Team nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      FSDumper.hpp
 *
 * $FTS$
 */
#include <FSDumper.hpp>

#include <sys/types.h>
#include <sys/uio.h>

#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

namespace FTSS // FullTextSearchSystem
{

//
// Constructor
//
FSDumper::FSDumper(const INT_32 & iIFileHandle): iFileHandle(iIFileHandle)
{
	;;
}

//
// Start dump procudure
//
INT_32 FSDumper::StartDump(const INT_32 & iObjectType, CCHAR_P szObjectName) throw()
{
	iDummy = C_FTSS_MAGIC;
	if (write(iFileHandle, &iDummy, sizeof(UINT_32)) != sizeof(UINT_32)) { return -1; }

	iDummy = iObjectType;
	if (write(iFileHandle, &iDummy, sizeof(UINT_32)) != sizeof(UINT_32)) { return -1; }

	memset(szReadableLength, 0, C_FTSS_READABLE_LENGTH);
	snprintf(szReadableLength, C_FTSS_READABLE_LENGTH, "%s", szObjectName);
	if (write(iFileHandle, szReadableLength, C_FTSS_READABLE_LENGTH) != C_FTSS_READABLE_LENGTH) { return -1; }

return 0;
}

//
// End dump procudure
//
INT_32 FSDumper::EndDump() throw()
{
	return 0;
}

//
// Dump procudure
//
INT_32 FSDumper::Dump(const void * vData, const INT_32 & iDataLength) throw()
{
	if (write(iFileHandle, vData, iDataLength) != iDataLength) { return -1; }
return 0;
}

//
// Start restore procudure
//
INT_32 FSDumper::StartRestore(const INT_32 & iObjectType, CCHAR_P szObjectName) throw()
{
	if (read(iFileHandle, &iDummy, sizeof(UINT_32)) != sizeof(UINT_32)) { return -1; }
	if (iDummy != C_FTSS_MAGIC) { return -1; }

	if (read(iFileHandle, &iDummy, sizeof(UINT_32)) != sizeof(UINT_32)) { return -1; }
	if (INT_32(iDummy) != iObjectType) { return -1; }

	memset(szReadableLength, 0, C_FTSS_READABLE_LENGTH);
	if (read(iFileHandle, szReadableLength, C_FTSS_READABLE_LENGTH) != C_FTSS_READABLE_LENGTH) { return -1; }

	if (strcmp(szObjectName, szReadableLength) != 0) { return -1; }

return 0;
}

//
// End restore procudure
//
INT_32 FSDumper::EndRestore() throw()
{
	return 0;
}

//
// Restore procudure
//
INT_32 FSDumper::Restore(void * vData, const INT_32 & iDataLength) throw()
{
	if (read(iFileHandle, vData, iDataLength) != iDataLength) { return -1; }
return 0;
}

} // namespace FTSS
// End.
